Small performance improvement.
Small performance improvement.

printedheart/jit,pingjiang/jit,mcanthony/jit,tim777z/jit,philogb/jit,shelsonjava/jit,shzy2012/jit,shelsonjava/jit,printedheart/jit,shzy2012/jit,printedheart/jit,shelsonjava/jit,tim777z/jit,shzy2012/jit,pingjiang/jit,pingjiang/jit,mcanthony/jit,mcanthony/jit,tim777z/jit,philogb/jit